InigoValentin/app/views/layouts/_header.html.erb

<header>
    <div id='logo'>
        inigoValentin
    </div>
    <nav>
        <%= link_to(
            image_tag("icon/home.svg") + t('header.home'),
            main_path()
        ) %>
        <%= link_to(
            image_tag("icon/profile.svg") + t('header.profile'),
            profile_path()
        ) %>
        <%= link_to(
            image_tag("icon/project.svg") + t('header.projects'),
            project_index_url()
        ) %>
    </nav>
</header>